Tom Conway as Sir Roderick Strood

Elizabeth Sellars as Daphne Strood

Eunice Gayson as Elizabeth Anders

Freda Jackson as Mrs. Tucker

Hugh Latimer as Mark Perryman

Ronald Simpson as Dr. Cartwright

Victor Maddern as Bonaker

Anthony Newley as Cyril Gaskin

Margaretta Scott as Mrs. Cranshaw

Leslie Weston as Bayfield

Raymond Huntley as Attorney General

Martin Boddey as Detective Sgt. Horne

Shelagh Fraser as Mrs. Bracket

Harold Goodwin as Cheed

Thomas Heathcote as Bracket

Joan Hickson as Mrs. Prynne

David Horne as Antony Harcombe, Q.C.

Walter Hudd as The Judge

Maya Koumani as Cheed's Nurse

Jack Lambert as Major Forth

Charles Lloyd Pack as Frognal

Gillian Lynne as Gaskin's Girl

Sheila Manahan as Senior Sister

Michael McKeag as Ernie Bayfield

Russell Napier as Detective Sgt. Bolton

Joan Newell as Mrs. Iseley

Hal Osmond as Coates

Conrad Phillips as Dr. Mason

Tony Quinn as Nywood

John Schlesinger as Dr. Goldfinger

Bill Shine as Underhay

Harold Siddons as Cheed's Doctor

Olive Sloane as Mrs. Bayfield

John Stuart as Magistrate

Anna Turner as Lucy Prynne

Rosamund Waring as Nurse Tomkins

John Warren as Passport Official